UI tweaks from cole as initiated by a discussion with Mehmet.
UI tweaks from cole as initiated by a discussion with Mehmet.

BUG=http://crbug.com/59174, http://crbug.com/55203, others

TEST=Open a bookmark folder.  See right/left side margin (between mark
and window border) as the same and as "not too squeezed in".  Open
subfolder; see more menu overlap than before.


Review URL: http://codereview.chromium.org/3377001

git-svn-id: de016e52bd170d2d4f2344f9bf92d50478b649e0@59278 0039d316-1c4b-4281-b951-d872f2087c98

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